//
//  AppDelegate.swift
//  chaorenWeibo
//
//  Created by tanchao on 15/7/28.
//  Copyright © 2015年 chaoren. All rights reserved.
//

import UIKit
/// 视图控制器奇幻通知
let WeiboRootViewControllerSwitchNotification = "WeiboRootViewControllerSwitchNotification"
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "switchView:", name: WeiboRootViewControllerSwitchNotification, object: nil)
        UINavigationBar.appearance().tintColor = UIColor.orangeColor()
//       MARK:- 测试数据
//        print(UserAccount.loadAccount())
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor = UIColor.whiteColor()
        window?.rootViewController = defaultViewController()
//        window?.rootViewController = NewFeatureViewController()
        window?.makeKeyAndVisible()
        return true
    }
    /// 注销通知
    deinit{
        NSNotificationCenter.defaultCenter().removeObserver(self)
    }
     func switchView(n:NSNotification){
        let mainVC = n.object as! Bool
        window?.rootViewController = mainVC ? MainController() : WelcomeViewController()
    }
    /// 返回启动默认的控制器
    private func defaultViewController() -> UIViewController {
        
        // 1. 判断用户是否登录，如果没有登录返回主控制器
        if !UserAccount.didLogon {
            return MainController()
        }
        
        // 2. 判断是否新版本，如果是，返回新特性，否则返回欢迎
        return isNewVersion() ? NewFeatureViewController() : WelcomeViewController()
    }

    private func isNewVersion()->Bool{
//        获取当前版本
        let currentVersion = Double(NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String)!
        let sandboxVersionKey = "sandboxVersionKey"
        let sandboxVersion = NSUserDefaults.standardUserDefaults().doubleForKey(sandboxVersionKey)
        NSUserDefaults.standardUserDefaults().setDouble(currentVersion, forKey: sandboxVersionKey)
        NSUserDefaults.standardUserDefaults().synchronize()
        return currentVersion > sandboxVersion
    }
    func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

